Home / 12,819,666.60-19,224,834.30-6,427,794.60

Finding the Fourth Proportional to 12,819,666.60, 19,224,834.30 and 6,427,794.60

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Solution

The fourth proportional to 12,819,666.60, 19,224,834.30 and 6,427,794.60 is: 9,639,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,666.60 : 19,224,834.30 = 6,427,794.60 : x
  2. Step 2: Convert to fraction form
    12,819,666.60/19,224,834.30 = 6,427,794.60/x
  3. Step 3: Cross multiply
    12,819,666.60x = 19,224,834.30 × 6,427,794.60
  4. Step 4: Simplify right side
    12,819,666.60x = 123,573,286,099,434.78
  5. Step 5: Solve for x
    x = 123,573,286,099,434.78/12,819,666.60
  6. Step 6: Final answer
    x = 9,639,352.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.